strncpy() is deprecated for NUL-terminated destination buffers. Use strscpy() instead and remove the manual NUL-termination. Compile-tested only. Link: https://github.com/KSPP/linux/issues/90 Cc: linux-hardening@xxxxxxxxxxxxxxx Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx> --- arch/m68k/kernel/setup_mm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c index 15c1a595a1de..48ce67947678 100644 --- a/arch/m68k/kernel/setup_mm.c +++ b/arch/m68k/kernel/setup_mm.c @@ -243,8 +243,7 @@ void __init setup_arch(char **cmdline_p) setup_initial_init_mm((void *)PAGE_OFFSET, _etext, _edata, _end); #if defined(CONFIG_BOOTPARAM) - strncpy(m68k_command_line, CONFIG_BOOTPARAM_STRING, CL_SIZE); - m68k_command_line[CL_SIZE - 1] = 0; + strscpy(m68k_command_line, CONFIG_BOOTPARAM_STRING, CL_SIZE); #endif /* CONFIG_BOOTPARAM */ process_uboot_commandline(&m68k_command_line[0], CL_SIZE); *cmdline_p = m68k_command_line; -- 2.48.1
